?? finddialog.cpp
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#include <qcheckbox.h>#include <qlabel.h>#include <qlayout.h>#include <qlineedit.h>#include <qpushbutton.h>#include "finddialog.h"FindDialog::FindDialog(QWidget *parent, const char *name) : QDialog(parent, name){ setCaption(tr("Find")); label = new QLabel(tr("Find &what:"), this); lineEdit = new QLineEdit(this); label->setBuddy(lineEdit); caseCheckBox = new QCheckBox(tr("Match &case"), this); backwardCheckBox = new QCheckBox(tr("Search &backward"), this); findButton = new QPushButton(tr("&Find"), this); findButton->setDefault(true); findButton->setEnabled(false); closeButton = new QPushButton(tr("Close"), this); connect(lineEdit, SIGNAL(textChanged(const QString &)), this, SLOT(enableFindButton(const QString &))); connect(findButton, SIGNAL(clicked()), this, SLOT(findClicked())); connect(closeButton, SIGNAL(clicked()), this, SLOT(close())); QHBoxLayout *topLeftLayout = new QHBoxLayout; topLeftLayout->addWidget(label); topLeftLayout->addWidget(lineEdit); QVBoxLayout *leftLayout = new QVBoxLayout; leftLayout->addLayout(topLeftLayout); leftLayout->addWidget(caseCheckBox); leftLayout->addWidget(backwardCheckBox); QVBoxLayout *rightLayout = new QVBoxLayout; rightLayout->addWidget(findButton); rightLayout->addWidget(closeButton); rightLayout->addStretch(1); QHBoxLayout *mainLayout = new QHBoxLayout(this); mainLayout->setMargin(11); mainLayout->setSpacing(6); mainLayout->addLayout(leftLayout); mainLayout->addLayout(rightLayout);}void FindDialog::findClicked(){ QString text = lineEdit->text(); bool caseSensitive = caseCheckBox->isOn(); if (backwardCheckBox->isOn()) emit findPrev(text, caseSensitive); else emit findNext(text, caseSensitive);}void FindDialog::enableFindButton(const QString &text){ findButton->setEnabled(!text.isEmpty());}?? 快捷鍵說明
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